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Investments in Associates - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2019
Disclosure of associates [line items]
Impairment of Investment	$ 15
Aggregated individually immaterial associates [member]
Disclosure of associates [line items]
Investments in associates	$ 45	$ 90	$ 10

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

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- Definition

The amount of impairment loss recognised in profit or loss. [Refer: Impairment loss; Profit (loss)]

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- Definition

The amount of investments in associates in an entity's separate financial statements. [Refer: Associates [member]]

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